Portion of an electric power assist cycle



FIG. 1 is a perspective view of a portion of an electric power assist cycle showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a front view thereof, wherein the body portion is folded in half.

Portions in broken lines are for illustrative purposes only and form no part of claimed design. 

The ornamental design for a portion of an electric power assist cycle, as shown and described. 